🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 11.2

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.23 AU - 1.41 AU

Year: 1047 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,460,842 km

• M1: 139,425 km (0.109 R)
• M2: 585,825 km (0.111 R)
• M3: 1,235,379 km (0.047 R)
• M4: 1,659,639 km (0.103 R)
• M5: 2,475,695 km (0.116 R)
• M6: 3,063,764 km (0.087 R)
• M7: 3,466,033 km (0.107 R)
• M8: 4,377,682 km (0.076 R)
• M9: 4,814,658 km (0.107 R)
• M10: 5,340,794 km (0.106 R)
• M11: 6,035,825 km (0.108 R)
• M12: 8,486,538 km (0.108 R)
• M13: 8,937,126 km (0.102 R)
• M14: 9,492,882 km (0.058 R)
• M15: 9,947,810 km (0.073 R)
• M16: 11,033,142 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 14.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.39 AU - 1.45 AU

Year: 1168 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,460,842 km

• M1: 182,061 km (0.113 R)
• M2: 747,241 km (0.114 R)
• M3: 1,233,584 km (0.087 R)
• M4: 1,891,815 km (0.037 R)
• M5: 2,383,244 km (0.049 R)
• M6: 3,206,331 km (0.047 R)
• M7: 3,850,500 km (0.116 R)
• M8: 4,930,895 km (0.114 R)
• M9: 5,921,233 km (0.113 R)
• M10: 7,359,766 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 8.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.66 AU - 2.14 AU

Year: 1808 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,460,842 km

• M1: 106,962 km (0.054 R)
• M2: 434,133 km (0.086 R)
• M3: 736,171 km (0.083 R)
• M4: 1,418,637 km (0.031 R)
• M5: 1,759,121 km (0.037 R)
• M6: 2,302,610 km (0.052 R)
• M7: 2,579,666 km (0.029 R)
• M8: 3,757,899 km (0.082 R)
• M9: 4,847,121 km (0.083 R)
• M10: 5,650,760 km (0.119 R)
• M11: 6,035,227 km (0.072 R)
• M12: 6,309,589 km (0.064 R)
• M13: 6,723,676 km (0.033 R)
• M14: 8,256,306 km (0.072 R)
• M15: 8,847,218 km (0.116 R)
• M16: 9,267,438 km (0.092 R)
• M17: 9,734,932 km (0.12 R)
• M18: 13,459,470 km (0.08 R)
• M19: 14,946,772 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 10.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.25 AU - 2.85 AU

Year: 2811 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,460,842 km

• M1: 131,048 km (0.066 R)
• M2: 558,748 km (0.098 R)
• M3: 883,675 km (0.12 R)
• M4: 1,414,897 km (0.049 R)
• M5: 2,338,963 km (0.099 R)
• M6: 2,904,143 km (0.118 R)
• M7: 5,480,967 km (0.118 R)
• M8: 6,455,298 km (0.12 R)
• M9: 9,809,132 km (0.074 R)
• M10: 11,858,025 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.6

Radius: 14.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.14 AU - 4.94 AU

Year: 5605 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,460,842 km

• M1: 184,005 km (0.073 R)
• M2: 794,514 km (0.119 R)
• M3: 1,807,292 km (0.103 R)
• M4: 3,756,552 km (0.101 R)
• M5: 4,696,027 km (0.117 R)
• M6: 8,762,994 km (0.088 R)
• M7: 9,408,060 km (0.109 R)
• M8: 10,166,372 km (0.105 R)
• M9: 14,325,941 km (0.09 R)
• M10: 18,813,727 km (0.095 R)
• M11: 21,887,365 km (0.11 R)
• M12: 23,869,986 km (0.054 R)
• M13: 25,739,062 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 14.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.33 AU - 6.43 AU

Year: 8614 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,460,842 km

• M1: 175,329 km (0.056 R)
• M2: 664,065 km (0.067 R)
• M3: 1,390,811 km (0.061 R)
• M4: 1,941,631 km (0.119 R)
• M5: 2,617,963 km (0.089 R)
• M6: 3,056,584 km (0.106 R)
• M7: 3,544,871 km (0.119 R)
• M8: 4,305,726 km (0.051 R)
• M9: 5,078,399 km (0.095 R)
• M10: 6,446,023 km (0.099 R)
• M11: 7,458,950 km (0.115 R)
• M12: 8,441,209 km (0.062 R)
• M13: 9,033,617 km (0.106 R)
• M14: 9,899,639 km (0.076 R)
• M15: 10,558,917 km (0.045 R)
• M16: 12,022,134 km (0.087 R)
• M17: 12,480,801 km (0.084 R)
• M18: 17,295,159 km (0.116 R)
• M19: 19,013,441 km (0.115 R)
• M20: 21,338,939 km (0.059 R)
• M21: 24,942,154 km (0.103 R)
• M22: 27,426,675 km (0.082 R)
• M23: 28,122,904 km (0.095 R)
• M24: 34,813,369 km (0.057 R)
• M25: 37,058,833 km (0.097 R)
• M26: 38,774,123 km (0.066 R)
• M27: 40,798,481 km (0.074 R)
• M28: 43,830,830 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 5.7

Gravity: 23.82 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.43 AU - 5.87 AU

Year: 9270 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,460,842 km

• M1: 70,909 km (0.098 R)
• M2: 264,938 km (0.113 R)
• M3: 561,890 km (0.089 R)
• M4: 759,359 km (0.081 R)
• M5: 1,594,863 km (0.117 R)
• M6: 1,836,613 km (0.119 R)
• M7: 2,050,987 km (0.11 R)
• M8: 2,490,805 km (0.068 R)
• M9: 3,265,871 km (0.107 R)
• M10: 3,457,955 km (0.099 R)
• M11: 3,812,502 km (0.103 R)
• M12: 4,190,835 km (0.096 R)
• M13: 5,246,547 km (0.081 R)
• M14: 5,477,376 km (0.096 R)
• M15: 6,695,851 km (0.083 R)
• M16: 7,126,095 km (0.091 R)
• M17: 8,128,700 km (0.116 R)
• M18: 8,755,066 km (0.12 R)
• M19: 10,617,260 km (0.101 R)
• M20: 11,696,310 km (0.06 R)
• M21: 13,819,552 km (0.066 R)
• M22: 15,037,578 km (0.104 R)
• M23: 17,176,080 km (0.082 R)
• M24: 20,385,103 km (0.071 R)
• M25: 21,287,179 km (0.045 R)
• M26: 22,646,425 km (0.083 R)
• M27: 26,104,679 km (0.108 R)
• M28: 26,778,019 km (0.117 R)
• M29: 27,167,871 km (0.079 R)
• M30: 32,146,189 km (0.077 R)
• M31: 32,697,158 km (0.114 R)
• M32: 34,503,103 km (0.062 R)
• M33: 39,558,015 km (0.09 R)
• M34: 42,261,099 km (0.086 R)
• M35: 44,947,578 km (0.036 R)
• M36: 46,753,523 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 17,454 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit